1. SUBTRACTION: 3-digit number from a 3-digit number: regrouping from 1's & 10's columns. Subtract the ones first. (subtrahend) (minuend)Check to make sure that the number on the top (subtrahend) is bigger than the number on the bottom (minuend).

2. Ones Tens Hundreds Ones Tens Hundreds Ones Tens Hundreds Ones Tens Hundreds Ones Tens Hundreds Ones Tens Hundreds Ones Tens Back to Index of RIT SKILLS Find the Difference – With regrouping 3 digits. 845 15 161513 6 715 85 0 9 210 71 615 9 516 82

3. Ones Tens Hundreds Ones Tens Hundreds Ones Tens Hundreds Ones Tens Hundreds Ones Tens Hundreds Ones Tens Hundreds Ones Tens Back to Index of RIT SKILLS Find the Difference – With regrouping 3 digits. 990 12 1212 7 2 81 211 3 312 73 413 8 614 83